Finding the Fourth Proportional to 2,361,278.13, 3,541,776.18 and 1,389,188.53
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Solution
The fourth proportional to 2,361,278.13, 3,541,776.18 and 1,389,188.53 is: 2,083,699.83
Step by Step Solution
- Step 1: Write the proportion equation
2,361,278.13 : 3,541,776.18 = 1,389,188.53 : x - Step 2: Convert to fraction form
2,361,278.13/3,541,776.18 = 1,389,188.53/x - Step 3: Cross multiply
2,361,278.13x = 3,541,776.18 × 1,389,188.53 - Step 4: Simplify right side
2,361,278.13x = 4,920,194,845,083.22 - Step 5: Solve for x
x = 4,920,194,845,083.22/2,361,278.13 - Step 6: Final answer
x = 2,083,699.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.